Allow .mp4 files to be streamable on simple Apache Webserver

Sourced from http://blog.servergrove.com/2012/04/18/configuring-your-apache-web-server-for-html5-video-formats/

To ensure that a simple Apache Webserver is able to stream video, ensure to add the following to the .htaccess file:

AddType video/ogg .ogv
AddType video/mp4 .mp4
AddType video/webm .webm